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we are an 20 years experience manufacture who specialized in universal joint,drum gear couplings, diaphragm couplings, chain coupling and other kinds of couplings in China.All our products are produced strictly as per ISO9001 quality standard and exported to more than 50 countries. We have adopted advanced CAD and CAM methods for design and advanced heat treatment craft and have more than 70 processing equipment including CNC machining center, 4-Axis linkage machining center ,slotting machine,drilling machi...
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